mips: add verstage configuration

Change-Id: I79b4969c34500fd51b1ce2ad751bc0723ee0afa2
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: http://review.coreboot.org/9147
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>

src/arch/mips/Kconfig

@@ -24,6 +24,10 @@ config ARCH_BOOTBLOCK_MIPS
 	default n
 	select ARCH_MIPS
 
+config ARCH_VERSTAGE_MIPS
+	bool
+	default n
+
 config ARCH_ROMSTAGE_MIPS
 	bool
 	default n

src/cpu/mips/Kconfig

@@ -22,6 +22,7 @@
 config CPU_MIPS
 	bool
 	select ARCH_BOOTBLOCK_MIPS
+	select ARCH_VERSTAGE_MIPS
 	select ARCH_ROMSTAGE_MIPS
 	select ARCH_RAMSTAGE_MIPS